Which part of the nervous system is the super computer?

Your nerves can be compared to a computer's hardware that communicates decisions with the rest of your body, while the brain, with its around 100 billion neurons, is like your body's processing software .

Explanation:

it’s lava came from an explosive eruption

unicellular organisms, like bacteria, are able to perform all life functions within one single cell. multicellular organisms need many different types of cells to carry out the same life processes. each of these special types of cells has a different structure that it perform a specific function.